/*!	 shade.h
**	 Header file for implementation of the "Shade" layer
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2008 Chris Moore
**	Copyright (c) 2012-2013 Carlos López
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_LAYER_SHADE_H__
#define __SYNFIG_LAYER_SHADE_H__

#include <synfig/layers/layer_composite_fork.h>
#include <synfig/color.h>
#include <synfig/vector.h>
#include <synfig/blur.h>

namespace synfig
{
namespace modules
{
namespace lyr_std
{

class Layer_Shade : public Layer_CompositeFork
{
    SYNFIG_LAYER_MODULE_EXT
private:
    // Parameter: (Vector)
    ValueBase param_size;
    // Parameter: (int)
    ValueBase param_type;
    // Parameter: (Color)
    ValueBase param_color;
    // Parameter: (Vector)
    ValueBase param_origin;
    // Parameter: (bool)
    ValueBase param_invert;

public:
    Layer_Shade();

    virtual bool set_param(const String & param, const ValueBase &value);

    virtual ValueBase get_param(const String & param)const;

    virtual Color get_color(Context context, const Point &pos)const;

    virtual bool accelerated_render(Context context, Surface *surface, int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
    virtual bool accelerated_cairorender(Context context, cairo_t *cr, int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
    virtual Rect get_full_bounding_rect(Context context)const;
    virtual Vocab get_param_vocab()const;
    virtual bool reads_context()const
    {
        return true;
    }

protected:
    virtual rendering::Task::Handle build_composite_fork_task_vfunc(ContextParams context_params, rendering::Task::Handle sub_task)const;
}; // END of class Layer_Shade

}; // END of namespace lyr_std
}; // END of namespace modules
}; // END of namespace synfig

#endif